quickly display your critical kanji/vocab from wanikani

wanikani-ci.rb

#!/usr/bin/env ruby
require "httparty"

API_KEY = "abc123"
THRESHOLD = 80

response = HTTParty.get("https://www.wanikani.com/api/user/#{API_KEY}/critical-items/#{THRESHOLD}")
data = JSON.parse(response.body)
items = data["requested_information"]

items.group_by { |item| item["type"] }.each do |group, items|
  puts "\n============ #{group} ============\n\n"

  items.sort_by { |i| i["percentage"].to_i }.reverse.each do |item|
    character = item["character"]
    kana = item["kana"]
    meaning = item["meaning"]

    if item.has_key? "important_reading"
      readings = []
      readings << "#{item["onyomi"]} (on)" if item["onyomi"] && item["onyomi"] != "N/A"
      readings << "#{item["kunyomi"]} (kun)" if item["kunyomi"] && item["kunyomi"] != "N/A"
      readings << "#{item["nanori"]} (na)" if item["nanori"] && item["nanori"] != "N/A"

      printf " %-4s  %-28s   %s\n", character, meaning[0..27], readings.join("   ")
    elsif kana
      charljustmax = 12
      kanaljustmax = 14
      character = character.ljust(charljustmax - character.size)
      kana = kana.ljust(kanaljustmax - kana.size)

      printf " %s  %s   %s\n", character, kana, meaning
    else
      printf " %-4s   %s\n", character, meaning
    end
  end
end

puts "\n#{items.size} Critical Items\n"